/* TigerShield — page layout & components v1.1 (elevated)
   design-system.css v1.1 (pill·magnetic·double-bezel)과 조화 */

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 20, 0.72);
  backdrop-filter: saturate(170%) blur(16px);
  -webkit-backdrop-filter: saturate(170%) blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--hairline);
}
.nav { display: flex; align-items: center; gap: 30px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 600; font-size: 1.06rem; letter-spacing: -0.02em; }
.brand svg { transition: transform 0.5s var(--spring); }
.brand:hover svg { transform: rotate(-6deg) scale(1.06); }
.brand__accent { color: var(--accent); }
.nav__links { display: flex; gap: 4px; margin-left: 6px; }
.nav__links a { color: var(--text-secondary); font-size: 0.92rem; padding: 8px 12px; border-radius: 999px; transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out); }
.nav__links a:hover { color: var(--text-primary); background: rgba(255, 255, 255, 0.04); }
.nav__cta { margin-left: auto; display: flex; align-items: center; gap: 14px; }
.nav__login { color: var(--text-secondary); font-size: 0.92rem; transition: color 0.2s var(--ease-out); }
.nav__login:hover { color: var(--text-primary); }
.nav__toggle { display: none; background: none; border: 0; color: var(--text-primary); cursor: pointer; padding: 8px; }

/* ============ Hero ============ */
.hero { position: relative; padding: clamp(64px, 9vw, 128px) 0 clamp(56px, 7vw, 96px); overflow: hidden; }
.hero::after {
  content: ""; position: absolute; inset: 0; z-index: 0; pointer-events: none;
  background: radial-gradient(820px 420px at 74% 4%, rgba(61,220,151,0.12), transparent 60%),
              radial-gradient(620px 340px at 8% 96%, rgba(91,141,239,0.08), transparent 60%);
}
.hero__grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 56px; align-items: center; }
.hero__title { margin: 22px 0 20px; }
.hero__title .em { color: var(--accent); }
.hero__cta { display: flex; gap: 14px; margin-top: 34px; flex-wrap: wrap; }
.hero__note { margin-top: 20px; font-size: 0.84rem; color: var(--text-muted); font-family: var(--font-mono); letter-spacing: 0.01em; }

/* hero visual — double-bezel tray */
.hero__visual {
  padding: 8px; border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.01));
  border: 1px solid var(--border); box-shadow: var(--hairline), var(--lift);
}
.scanline { display: flex; justify-content: space-between; gap: 12px; padding: 2px 6px; border-radius: 8px; transition: background 0.2s var(--ease-out); }
.scanline:hover { background: rgba(255, 255, 255, 0.025); }
.scanline__name { color: var(--text-secondary); }
.scanline__meta { color: var(--text-muted); }
.scan-summary { display: flex; gap: 8px; padding: 13px 18px; border-top: 1px solid var(--border); font-family: var(--font-sans); font-size: 0.82rem; color: var(--text-secondary); align-items: center; background: rgba(255,255,255,0.015); }
.pulse { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 var(--accent); animation: pulse 2.2s infinite; flex: 0 0 auto; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(61,220,151,.5); } 70% { box-shadow: 0 0 0 9px rgba(61,220,151,0); } 100% { box-shadow: 0 0 0 0 rgba(61,220,151,0); } }

/* coverage strip */
.trust-strip { padding: 30px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: rgba(255,255,255,0.008); }
.trust-strip__row { display: flex; flex-wrap: wrap; gap: 14px 28px; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 0.8rem; color: var(--text-muted); }
.trust-strip__row b { color: var(--text-secondary); font-weight: 500; transition: color 0.2s var(--ease-out); }
.trust-strip__row b:hover { color: var(--accent); }

/* ============ Section header ============ */
.section-head { max-width: 660px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head .h2 { margin: 18px 0 14px; }

/* ============ Grids ============ */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* problem question item */
.qitem { display: flex; gap: 15px; align-items: flex-start; padding: 20px 22px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--hairline); transition: border-color 0.3s var(--ease-out), transform 0.3s var(--ease-out); }
.qitem:hover { border-color: var(--border-strong); transform: translateY(-2px); }
.qitem__num { font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); flex: 0 0 auto; padding-top: 2px; }
.qitem__q { font-size: 0.96rem; color: var(--text-primary); line-height: 1.5; }

/* module card */
.module__icon { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--accent-soft); border: 1px solid rgba(61,220,151,0.2); box-shadow: var(--hairline); margin-bottom: 20px; transition: transform 0.4s var(--spring); }
.card--glow:hover .module__icon { transform: translateY(-2px) scale(1.05); }
.module__icon svg { stroke: var(--accent); }
.module h3 { margin-bottom: 10px; }
.module ul { margin-top: 18px; display: grid; gap: 10px; }
.module li { position: relative; padding-left: 20px; color: var(--text-secondary); font-size: 0.9rem; line-height: 1.5; }
.module li::before { content: ""; position: absolute; left: 0; top: 8px; width: 8px; height: 8px; border-radius: 2px; border: 1.5px solid var(--accent); }

/* steps */
.steps { counter-reset: step; display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step { position: relative; padding-top: 20px; border-top: 1px solid var(--border); }
.step::after { content: ""; position: absolute; top: -1px; left: 0; width: 34px; height: 2px; background: var(--accent); }
.step__n { counter-increment: step; font-family: var(--font-mono); font-size: 0.8rem; color: var(--accent); }
.step__n::before { content: counter(step, decimal-leading-zero); }
.step h4 { margin: 10px 0 7px; font-size: 1.08rem; }
.step p { color: var(--text-secondary); font-size: 0.9rem; }
.not-install { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 20px 24px; border: 1px dashed var(--border-strong); border-radius: var(--radius); background: rgba(255,255,255,0.008); }
.not-install b { color: var(--text-primary); }
.not-install .x { font-family: var(--font-mono); color: var(--text-muted); font-size: 0.85rem; padding: 4px 12px; border: 1px solid var(--border); border-radius: 8px; }
.not-install .x s { color: var(--risk-critical); text-decoration-thickness: 2px; }

/* differentiation */
.diff { display: flex; gap: 18px; align-items: flex-start; }
.diff__idx { font-family: var(--font-mono); color: var(--accent); font-size: 0.85rem; flex: 0 0 auto; width: 34px; height: 34px; display: grid; place-items: center; border-radius: 999px; border: 1px solid rgba(61,220,151,0.25); background: var(--accent-soft); box-shadow: var(--hairline); }
.diff h4 { font-size: 1.12rem; margin-bottom: 8px; }
.diff p { color: var(--text-secondary); font-size: 0.93rem; }

/* role tabs */
.tabs__nav { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 30px; }
.tab { font-family: var(--font-sans); font-size: 0.9rem; font-weight: 500; color: var(--text-secondary); background: var(--bg-card); border: 1px solid var(--border); padding: 10px 18px; border-radius: 999px; cursor: pointer; box-shadow: var(--hairline); transition: color 0.2s var(--ease-out), background 0.2s var(--ease-out), border-color 0.2s var(--ease-out), transform 0.2s var(--ease-out); }
.tab:hover { color: var(--text-primary); border-color: var(--border-strong); transform: translateY(-1px); }
.tab[aria-selected="true"] { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); box-shadow: 0 10px 26px -14px rgba(61,220,151,0.6); }
.tabpanel { display: none; }
.tabpanel.is-active { display: block; animation: panelIn 0.5s var(--ease-out); }
@keyframes panelIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
.role { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: 8px 4px; }
.role__q { font-family: var(--font-mono); font-size: 0.84rem; color: var(--text-muted); margin-bottom: 14px; }
.role__msg { font-size: clamp(1.3rem, 2vw, 1.55rem); line-height: 1.35; letter-spacing: -0.02em; }
.role__proof { margin-top: 20px; display: grid; gap: 10px; }
.role__proof li { padding-left: 24px; position: relative; color: var(--text-secondary); font-size: 0.94rem; }
.role__proof li::before { content: "→"; position: absolute; left: 0; color: var(--accent); }

/* trust compare */
.compare { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.compare__col { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--hairline); }
.compare__col h4 { margin-bottom: 18px; font-size: 1rem; display: flex; align-items: center; gap: 10px; }
.compare__col li { padding: 11px 0 11px 26px; position: relative; color: var(--text-secondary); font-size: 0.93rem; border-bottom: 1px solid var(--border); }
.compare__col li:last-child { border-bottom: 0; }
.compare--no li::before { content: "✕"; position: absolute; left: 0; color: var(--risk-critical); font-size: 0.8rem; }
.compare--yes li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }

/* pricing */
.pricing { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; align-items: start; }
.price { position: relative; background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0)), var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 30px; display: flex; flex-direction: column; box-shadow: var(--hairline); transition: transform 0.4s var(--ease-out), border-color 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out); }
.price:hover { transform: translateY(-3px); border-color: var(--border-strong); }
.price--featured { border-color: rgba(61,220,151,0.5); box-shadow: var(--glow-accent); transform: translateY(-6px); }
.price--featured:hover { transform: translateY(-9px); }
.price__name { font-family: var(--font-mono); font-size: 0.78rem; letter-spacing: 0.05em; text-transform: uppercase; color: var(--accent); }
.price__amt { font-size: 2.1rem; font-weight: 650; margin: 16px 0 4px; font-variant-numeric: tabular-nums; letter-spacing: -0.02em; }
.price__amt small { font-size: 0.95rem; color: var(--text-secondary); font-weight: 400; }
.price__desc { color: var(--text-secondary); font-size: 0.9rem; min-height: 40px; }
.price ul { margin: 20px 0 26px; display: grid; gap: 10px; }
.price li { padding-left: 24px; position: relative; color: var(--text-secondary); font-size: 0.9rem; }
.price li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); }
.price .btn { margin-top: auto; justify-content: center; }
.addon { margin-top: 22px; padding: 20px 24px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); display: flex; flex-wrap: wrap; align-items: center; gap: 10px; box-shadow: var(--hairline); }
.addon .amt { font-family: var(--font-mono); color: var(--accent); font-weight: 500; }

/* CTA strip / diagnosis */
.cta-strip { background: linear-gradient(180deg, var(--bg-elevated), var(--bg-card)); border: 1px solid var(--border-strong); border-radius: var(--radius-xl); padding: clamp(44px, 6vw, 72px); text-align: center; position: relative; overflow: hidden; box-shadow: var(--hairline-strong), var(--lift); }
.cta-strip::before { content: ""; position: absolute; inset: 0; background: radial-gradient(560px 240px at 50% -12%, rgba(61,220,151,0.16), transparent 70%); }
.cta-strip > * { position: relative; }
.cta-strip .h2 { margin: 14px auto 16px; max-width: 640px; }
.cta-strip .lead { max-width: 580px; margin: 0 auto 30px; }
.diag-form { display: flex; gap: 10px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; }
.diag-form input { flex: 1; min-width: 220px; background: var(--bg-base); border: 1px solid var(--border-strong); color: var(--text-primary); padding: 14px 18px; border-radius: 999px; font-family: var(--font-sans); font-size: 0.95rem; box-shadow: var(--hairline); transition: border-color 0.2s var(--ease-out); }
.diag-form input:focus { outline: none; border-color: var(--accent); }
.diag-form input::placeholder { color: var(--text-muted); }

/* FAQ */
.faq { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--border); }
.faq__q { width: 100%; text-align: left; background: none; border: 0; color: var(--text-primary); font-family: var(--font-sans); font-size: 1.04rem; font-weight: 500; padding: 24px 0; cursor: pointer; display: flex; justify-content: space-between; gap: 16px; align-items: center; transition: color 0.2s var(--ease-out); }
.faq__q:hover { color: var(--accent); }
.faq__q .ic { color: var(--accent); transition: transform 0.3s var(--spring); flex: 0 0 auto; font-family: var(--font-mono); }
.faq__item[open] .faq__q .ic { transform: rotate(135deg); }
.faq__a { padding: 0 0 24px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.75; max-width: 92%; }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--border); padding: 64px 0 36px; }
.footer__top { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.footer__brand p { color: var(--text-secondary); font-size: 0.9rem; margin-top: 16px; max-width: 300px; line-height: 1.6; }
.footer__col h5 { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: 16px; font-weight: 600; }
.footer__col a { display: block; color: var(--text-secondary); font-size: 0.9rem; padding: 6px 0; transition: color 0.2s var(--ease-out), transform 0.2s var(--ease-out); }
.footer__col a:hover { color: var(--accent); transform: translateX(3px); }
.footer__bottom { display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; margin-top: 48px; padding-top: 28px; border-top: 1px solid var(--border); color: var(--text-muted); font-size: 0.82rem; }
.footer__bottom a { color: var(--text-muted); transition: color 0.2s var(--ease-out); }
.footer__bottom a:hover { color: var(--text-secondary); }

/* ============ Responsive ============ */
@media (max-width: 900px) {
  .nav__links, .nav__login { display: none; }
  .nav__toggle { display: block; }
  .nav__cta .btn-primary { padding: 10px 16px; font-size: 0.85rem; }
  .nav.is-open .nav__links { display: flex; flex-direction: column; position: absolute; top: 68px; left: 0; right: 0; background: rgba(18,22,31,0.96); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 2px; }
  .nav.is-open .nav__links a { padding: 12px; }
  .hero__grid, .role, .footer__top { grid-template-columns: 1fr; }
  .hero__grid { gap: 40px; }
  .hero__visual { order: -1; }
  .grid-3, .grid-4, .steps, .pricing, .compare { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .price--featured, .price--featured:hover { transform: none; }
}
@media (max-width: 560px) {
  .footer__top { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; align-items: stretch; }
  .hero__cta .btn { justify-content: center; }
}